13872123386 has 32 divisors (see below), whose sum is σ = 24224458752. Its totient is φ = 5887848960.

The previous prime is 13872123329. The next prime is 13872123389. The reversal of 13872123386 is 68332127831.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13872123389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98531 + ... + 193526.

It is an arithmetic number, because the mean of its divisors is an integer number (757014336).

Almost surely, 2^13872123386 is an apocalyptic number.

13872123386 is a deficient number, since it is larger than the sum of its proper divisors (10352335366).

13872123386 is a wasteful number, since it uses less digits than its factorization.

13872123386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292214.

The product of its digits is 290304, while the sum is 44.

The spelling of 13872123386 in words is "thirteen billion, eight hundred seventy-two million, one hundred twenty-three thousand, three hundred eighty-six".